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Table 4 Prevalence rates of reported diarrhea during the previous week among Indigenous children < 5 years of age, with prevalence ratios and confidence intervals, according to child’s health and nutritional (forth level) characteristics

From: Diarrhea and health inequity among Indigenous children in Brazil: results from the First National Survey of Indigenous People’s Health and Nutrition

Characteristic studied

N

Prevalence (%)

Crude PR

CI 95%

Birth place

    

  Hospital, healthcare unit, or other

3428

19.89

1.00

Reference

  Village

2400

31.26

1.58

1.37–1.82

Birthweight (grams)

    

  ≥2500

3538

22.26

1.00

Reference

  <2500

290

21.73

0.96

0.75–1.22

Weight-for-age (z-score)

  

p = 0.000*

 

  ≥0

1867

19.64

1.00

Reference

  <0 and ≥ −1

2206

22.57

1.14

0.97–1.34

  < −1

1575

30.19

1.56

1.35–1.81

Height-for-age (z-score)

  

p = 0.000*

 

  ≥0

927

18.15

1.00

Reference

  <0 and ≥ −1

1355

21.98

1.24

1.01–1.53

  < −1

3546

25.87

1.46

1.20–1.78

Weight-for-height (z-score)

  

p = 0.003*

 

  ≥0

3885

22.22

1.00

Reference

  <0 and ≥ −1

1545

24.88

1.12

0.99–1.27

  < −1

398

31.12

1.44

1.17–1.77

  1. First National Survey of Indigenous People’s Health and Nutrition, Brazil, 2008–2009.
  2. PR: Prevalence ratio.
  3. CI: Confidence interval.
  4. Maximum N for each category, which may vary between variables due to missing data.
  5. *Student’s t-test for linear trend.